20161183749

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{383869}}^1$

素因数の和:383981

約数の個数: 32

約数和(自身を含む): 31987119360

約数和(自身を除く): 11825935611

約数列:

[1, 3, 7, 21, 41, 61, 123, 183, 287, 427, 861, 1281, 2501, 7503, 17507, 52521, 383869, 1151607, 2687083, 8061249, 15738629, 23416009, 47215887, 70248027, 110170403, 163912063, 330511209, 491736189, 960056369, 2880169107, 6720394583, 20161183749]

約数ペア:

[(1, 20161183749), (3, 6720394583), (7, 2880169107), (21, 960056369), (41, 491736189), (61, 330511209), (123, 163912063), (183, 110170403), (287, 70248027), (427, 47215887), (861, 23416009), (1281, 15738629), (2501, 8061249), (7503, 2687083), (17507, 1151607), (52521, 383869)]